1900170860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{315643}}^1$

素因数の和:315702

約数の個数: 48

約数和(自身を含む): 4666480896

約数和(自身を除く): 2766310036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 315643, 631286, 1262572, 1578215, 2209501, 3156430, 4419002, 6312860, 8838004, 11047505, 13572649, 22095010, 27145298, 44190020, 54290596, 67863245, 95008543, 135726490, 190017086, 271452980, 380034172, 475042715, 950085430, 1900170860]

約数ペア:

[(1, 1900170860), (2, 950085430), (4, 475042715), (5, 380034172), (7, 271452980), (10, 190017086), (14, 135726490), (20, 95008543), (28, 67863245), (35, 54290596), (43, 44190020), (70, 27145298), (86, 22095010), (140, 13572649), (172, 11047505), (215, 8838004), (301, 6312860), (430, 4419002), (602, 3156430), (860, 2209501), (1204, 1578215), (1505, 1262572), (3010, 631286), (6020, 315643)]